What departments does HDI have?

HDI has employees across 11 departments including Environmental Services, Marketing, Finance, Accounting, Sales.

What is the largest department at HDI?

The largest department at HDI is Marketing with 4 employees.

Where are HDI employees located globally?

HDI has employees across 7 continents and 40 countries including South Africa, Togo, Uganda, Nigeria, Ghana.

How has HDI's team size changed over time?

HDI's team has decreased from approximately 123 to 118 employees based on available data.

HDI Employee Directory

Q: Who are HDI's key employees and leadership?

HDI's key employees include: Ceo: T. Y., Ceo: D. J., Chief Marketing Officer: D. P., Vp Of Sponsorship: C. M., Vp Of Membership: H. B..

IT Services and IT ConsultingNew York, United States501-1000 Employees

HDI's mission is to advance the technical support and service management industry through value-based connections that last a lifetime. We deliver these connections through: 
 • community resources 
 • transformative training and certification 
 • industry-leading events
 • outcome-oriented consulting services
 • best-practice content

For over 35 years, HDI has empowered tens of thousands of IT support and service management professionals to grow their careers and positively impact their teams and organizations. Lean on our team of experts – and our resources – to take your support center's performance to new heights.

HDI Global Highlights

North America
162

United States Of America
153
Mexico
6
Canada
1
Panama
1
Costa Rica
1

Europe
66

Germany
40
France
7
United Kingdom Of Great Britain And Northern Ireland
5
Italy
5
Poland
4
Netherlands
2
Austria
1
Croatia
1
Spain
1

Asia
32

Indonesia
8
India
6
Turkey
5
Philippines
3
Viet Nam
3
China
2
Japan
1
Nepal
1
Iran
1
Singapore
1
Israel
1

South America
22

Brazil
13
Argentina
4
Chile
4
Venezuela
1

Africa
12

South Africa
4
Algeria
3
Togo
1
Uganda
1
Nigeria
1
Ghana
1
Ethiopia
1

Oceania
1

Australia
1

HDI's Leadership

T. Y.
Ceo
Mobile Phone
Email
D. J.
Ceo
Mobile Phone
Email
D. P.
Chief Marketing Officer
Mobile Phone
Email
C. M.
Vp Of Sponsorship
Mobile Phone
Email
H. B.
Vp Of Membership
Mobile Phone
Email
M. M.
Vice President Sales & Marketing
Mobile Phone
Email
E. M.
Vp Of Membership - Hdi Gateway Chapter
Mobile Phone
Email
H. C.
Vice President Of Strategic Accounts
Mobile Phone
Email

HDI Employee Metrics

100%

50%

0%

2026

2025

Business
Administrative
Entrepreneurship
Sales
Consultant
Other
Healthcare Services

Contact profiles from HDI

Name

Title

Contact Info

Location

Last Update

A. M.
President Emeritus
Mobile Phone
Email
United StatesMississippi
Apr 17, 2026
R. B.
President
Mobile Phone
Email
United StatesFlorida
Apr 16, 2026
M. H.
Owner
Mobile Phone
Email
United StatesNorth Carolina
May 28, 2026
T. Y.
Ceo
Mobile Phone
Email
Japan
May 29, 2026
D. J.
Ceo
Mobile Phone
Email
South KoreaDaejeon
Mar 02, 2026
J. V.
President At Hdi San Antonio Local Chapter
Mobile Phone
Email
UNITED STATES
Oct 16, 2024
M. B.
Owner
Mobile Phone
Email
Oct 23, 2024
R. A.
President, Environmental Landscape Photographer And Conservationist
Mobile Phone
Email
Oct 21, 2024
T. P.
President
Mobile Phone
Email
United StatesMaryland
Feb 23, 2024
D. P.
Chief Marketing Officer
Mobile Phone
Email
United StatesIowa
Apr 14, 2026

Frequently Asked Questions

What is HDI known for?

HDI was founded in 1989 operates in the IT Services and IT Consulting industry. The company's main headquarters is located in 245 Fifth Avenue 25th Floor New York, New York 10016 United States; you can contact the main corporate office by phone at

+1-800-248-****

. Explore HDI's company overview page for more information.

What is HDI's most common email format?

HDI employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more HDI email formats with LeadIQ.

How many employees does HDI have currently?

HDI has approximately 634 employees as of June 2026. These team members are located across 6 continents, including North AmericaEuropeAsia.

Who are HDI's key employees and leadership?

As of June 2026, HDI's key employees include:

Ceo: T. Y.
Ceo: D. J.
Chief Marketing Officer: D. P.
Vp Of Sponsorship: C. M.
Vp Of Membership: H. B.

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HDI Employee Directory

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